Bulletin HY25-1806-M1/US
Owner’s Manual
252 Series
Parker Hannifin Corporation
Chelsea Products Division
Olive Branch, MS 38654 USA
15
6. Remove the transmission oil filter located on the
lower left side of the transmission (Fig. 22). Next
remove the main pressure port plug next to the filter
and install the 90° O-Ring fitting (379486) (Fig. 23).
WARNING: Oil may be hot. Use extreme caution
to ensure that you do not accidentally come in contact
with hot oil.
7. Attach the hydraulic hose to the transmission main
pressure port. Fitting as shown in (Fig. 24). Re-install
the filter at this time.
Next attach the other end of the hose to the PTO
90° O-Ring fitting (379486) as shown in (Fig. 25).
Fig. 25
Fig. 24
Fig. 22
This symbol warns of possible personal injury.
PTO Installation
Allison 1000, 2000/2500 (Continued)
Fig. 23
Allison Installation